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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2013-09-16 14:36:01 +0300 |
|---|---|---|
| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2013-09-16 14:36:01 +0300 |
| commit | 0892ecbc015930dde2cee9ad464b9b70fdb7667e (patch) | |
| tree | 68ae2bf8f3d7739d0367a8a3a4838b8d710266e8 /src | |
| parent | cdeb79adcfb2e46efd4f76c39184dd452ae1acd0 (diff) | |
| download | postgresql-0892ecbc015930dde2cee9ad464b9b70fdb7667e.tar.gz postgresql-0892ecbc015930dde2cee9ad464b9b70fdb7667e.zip | |
Add a GUC to report whether data page checksums are enabled.
Bernd Helmle
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/transam/xlog.c | 4 | ||||
| -rw-r--r-- | src/backend/utils/misc/guc.c | 12 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index dc47c4760bf..fc495d6a62d 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -4844,6 +4844,10 @@ ReadControlFile(void) " but the server was compiled without USE_FLOAT8_BYVAL."), errhint("It looks like you need to recompile or initdb."))); #endif + + /* Make the fixed settings visible as GUC variables, too */ + SetConfigOption("data_checksums", DataChecksumsEnabled() ? "yes" : "no", + PGC_INTERNAL, PGC_S_OVERRIDE); } void diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 7d297bcd343..3107f9cf027 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -466,6 +466,7 @@ static int max_identifier_length; static int block_size; static int segment_size; static int wal_block_size; +static bool data_checksums; static int wal_segment_size; static bool integer_datetimes; static int effective_io_concurrency; @@ -1457,6 +1458,17 @@ static struct config_bool ConfigureNamesBool[] = NULL, NULL, NULL }, + { + {"data_checksums", PGC_INTERNAL, PRESET_OPTIONS, + gettext_noop("Shows whether data checksums are turned on for this cluster"), + NULL, + GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE + }, + &data_checksums, + false, + NULL, NULL, NULL + }, + /* End-of-list marker */ { {NULL, 0, 0, NULL, NULL}, NULL, false, NULL, NULL, NULL |